安卓中的HTTP的POST请求用法

原创于 2023-05-19 14:30:40 发布 · 797 阅读

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该代码示例展示了一个名为MyUrl的Java线程类，它扩展了Thread。这个类用于执行POST方法的HTTP请求，设置超时时间，并处理输入/输出流。参数包括URL，请求参数，以及错误处理。当响应码为200时，读取并打印返回的JSON数据。

public class MyUl extends Thread{
   //获取网址传值
    String str;
    
    public MyUl(String str) {
        this.str = str;
    }

    public void run() {
        super.run();
        try {
            URL url = new URL(str);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setConnectTimeout(3000);
            connection.setReadTimeout(3000);
            connection.setDoInput(true);
            connection.setDoOutput(true);
            connection.connect();
            String params = "pageSize=10&currentPage=1";
            //获取输出流
            OutputStream outputStream = connection.getOutputStream();
            outputStream.write(params.getBytes());
            //关流
            outputStream.flush();
            //判断是否链接
            if (connection.getResponseCode() == 200){
                InputStream inputReader = connection.getInputStream();
                StringBuilder builder = new StringBuilder();
                byte[] bytes = new byte[1024];
                int len = 0;
                while ((len=inputReader.read(bytes))!=-1){
                    builder.append(new String(bytes, 0, len));
                }
                String json = builder.toString();
                //得到值打印到控制台
                Log.i("tyx",json);
            }
        } catch (MalformedURLException e) {
            throw new RuntimeException(e);
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}